Annals of Diagnostic Pathology
Volume 10, Issue 2 , Pages 110-113 , April 2006

Follicular hybrid cysts with infundibular, isthmic-catagen, and pilomatrical differentiation: a report of 2 patients

  • Steve A. May, MD

      Affiliations

    • Department of Pathology, Baylor University Medical Center, Dallas, TX 75246, USA
    • ,
  • Robert Quirey, MD

      Affiliations

    • Department of Dermatology, The University of Texas Southwestern Medical Center, Dallas, TX 75235, USA
    • ,
  • Clay J. Cockerell, MD

      Affiliations

    • Department of Dermatology, The University of Texas Southwestern Medical Center, Dallas, TX 75235, USA
    • Corresponding Author InformationCorresponding author. Cockerell & Associates Dermatopathology Laboratories, Dallas, TX 75235-7800, USA. Tel.: +1 214 530 5200; fax: +1 214 530 5232.

References 

  1. Ackerman AB. Follicular cyst, infundibular type vs. follicular cyst, isthmus-catagen type. In:  Ackerman AB editors. Differential diagnosis in dermatopathology I. Philadelphia (Pa): Lea & Febiger; 1992;p. 80–81
  2. Ackerman AB. Pilomatricoma and matricoma. In:  Ackerman AB,  DeViragh PA,  Chongchitnant N editor. Neoplasms with follicular differentiation. Philadelphia: Lea & Febiger; 1993;p. 477–506
  3. Brownstein MH. Hybrid cyst: a combined epidermoid and trichilemmal cyst. J Am Acad Dermatol. 1983;9(6):872–875
  4. Stevens CS. Follicular cysts: how should we name them?. J Am Acad Dermatol. 1985;12:367–368
  5. Okun MR. Combined epidermoid (epidermal) and trichilemmal (pilar) cyst. J Am Acad Dermatol. 1984;11(1):141
  6. Brownstein MH. Reply. J Am Acad Dermatol. 1984;11(1):141–142
  7. Requena L, Sánchez Yus E. Follicular hybrid cysts: an expanded spectrum. Am J Dermatopathol. 1991;13(3):228–233
  8. LeBoit PE, Parslow TG, Choy S. Hair matrix differentiation: occurrence in lesions other than pilomatricoma. Am J Dermatopathol. 1987;9(5):399–405
  9. Benharroch D, Sacks MI. Pilomatricoma associated with epidermoid cyst. J Cutan Pathol. 1989;16:40–43
  10. Uchiyama N, Shindo Y, Saida T. Perforating pilomatricoma. J Cutan Pathol. 1986;13:312–318
  11. Cooper PH, Fechner RE. Pilomatricoma-like changes in the epidermal cysts of Gardner's syndrome. J Am Acad Dermatol. 1983;8:639–644
  12. Satoh T, Mitoh Y, Katsumata M, et al. Follicular cyst derived from hair matrix and outer root sheath. J Cutan Pathol. 1989;16:106–108
  13. Ni C, Kimball GP, Graft JL, et al. Calcifying epithelioma: a clinicopathological analysis of 67 cases. Int Ophthalmol Clin. 1982;22:63–86
  14. Monshizadeh R, Cohen L, Golkar L, et al. Perforating hybrid cyst of the tarsus. J Am Acad Dermatol. 2003;48(2 Suppl):S33–S34
  15. Rizzardi C, Brollo A, Colonna A, et al. A tumor with composite pilo-folliculosebaceous differentiation harboring a recently described new entity—melanocytic matricoma. Am J Dermatopathol. 2002;24(6):493–497
  16. Sexton M, Murdock DK. Eruptive vellus hair cysts. A follicular cyst of sebaceous duct (sometimes). Am J Dermatopathol. 1989;11:364–368
  17. Urbina F, Cristobal MC, Aguilar A, et al. Eruptive vellus hair cyst with singular histologic finding. Arch Dermatol. 1987;123:299–301

PII: S1092-9134(05)00122-X

doi: 10.1016/j.anndiagpath.2005.07.016

Annals of Diagnostic Pathology
Volume 10, Issue 2 , Pages 110-113 , April 2006

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